Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
[qemu.git] / include / hw / char / bcm2835_aux.h
1 /*
2 * Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
3 * Written by Andrew Baumann
4 *
5 * This work is licensed under the terms of the GNU GPL, version 2 or later.
6 * See the COPYING file in the top-level directory.
7 */
8
9 #ifndef BCM2835_AUX_H
10 #define BCM2835_AUX_H
11
12 #include "hw/sysbus.h"
13 #include "chardev/char-fe.h"
14 #include "qom/object.h"
15
16 #define TYPE_BCM2835_AUX "bcm2835-aux"
17 OBJECT_DECLARE_SIMPLE_TYPE(BCM2835AuxState, BCM2835_AUX)
18
19 #define BCM2835_AUX_RX_FIFO_LEN 8
20
21 struct BCM2835AuxState {
22 /*< private >*/
23 SysBusDevice parent_obj;
24 /*< public >*/
25
26 MemoryRegion iomem;
27 CharBackend chr;
28 qemu_irq irq;
29
30 uint8_t read_fifo[BCM2835_AUX_RX_FIFO_LEN];
31 uint8_t read_pos, read_count;
32 uint8_t ier, iir;
33 };
34
35 #endif